Google has a laughter detection algorithm tries to extract “textual laughter” from the comments section of a YouTube video. Words such as “hahaha”, “hehehe”, “jajaja”, “kekeke” in user comments counts as a strong signal towards the humorous nature of a video.

Late 2011, the Indian government and Telecom frontman Mr. Kapil Sibal asked Internet companies to pre screen objectionable content, which can be a blog post, a photo, a video or a tweet. Google, Facebook, YouTube and 19 other social networking sites were precisely told to remove inflammatory material before February 6th 2012.

Search Plus your world takes personalized search results to a new level; whereby a user can get answers from not only webpages, but people with whom they are connected on Google plus, Picasa photo albums, Google Plus brand pages and more social stuff that Google offers

Earlier, when you clicked the name of an author from a search result page, Google would take you to the Google Plus profile of the author. This has been changed recently and Google now keeps the user on the search result page itself, showing more information about the author and some of his recent posts

Massimo Marchiori, who created the Hypersearch technique in 1997, is launching a completely new search engine named Volunia. Volunia promises to offer a different perspective of search, when compared with other search engines that exist today.